Home / 4,757.40-7,138.14-1,837.74

Finding the Fourth Proportional to 4,757.40, 7,138.14 and 1,837.74

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Solution

The fourth proportional to 4,757.40, 7,138.14 and 1,837.74 is: 2,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.40 : 7,138.14 = 1,837.74 : x
  2. Step 2: Convert to fraction form
    4,757.40/7,138.14 = 1,837.74/x
  3. Step 3: Cross multiply
    4,757.40x = 7,138.14 × 1,837.74
  4. Step 4: Simplify right side
    4,757.40x = 13,118,045.40
  5. Step 5: Solve for x
    x = 13,118,045.40/4,757.40
  6. Step 6: Final answer
    x = 2,757.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.